SPA in a narrow sense refers to beauty and health spa, which has various forms, including cold bath, hot bath, alternating hot and cold bath, sea bath, hot spring bath and tap water bath. Every bath can relax tense muscles and nerves to a certain extent, eliminate toxins in the body and prevent diseases. In recent years, it has been found that hydrotherapy combined with various aromatic essential oils massage can accelerate fat burning and have slimming effect.

Broadly speaking, SPA includes well-known hydrotherapy, aromatic massage, bathing, removing dead angles and so on. Modern SPA mainly realizes all-round relaxation through the five sensory functions of human body, namely, hearing (dietetic music), taste (herbal tea, healthy diet), touch (massage, contact), smell (natural aromatic essential oil), vision (natural or imitation natural landscape, humanistic environment) and so on. , integrating essence, qi and spirit to realize the relaxation of body, mind and spirit. Now SPA has evolved. SPA is the most common form of spa.